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December 22-23, 2022: Warm Rain to Arctic Chill


WxUSAF
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17 minutes ago, WVclimo said:

LWX has the front moving through before daybreak there. By 8:00 a.m. winds are already gusting to almost 60 mph. Here’s the P&C forecast for Bittinger:

5FE72526-7B11-4374-8B6E-5CC83C421D98.thumb.jpeg.afc09dead26eb81dac6c65f53f94d88c.jpeg

 

Oh well, seen worse.  Number one rule of setting up camp on the mountain....whatever you do, don't let go of your sleeping bag until it's in the tent.  And thus the trip endith...

 

ETA, talked to my wife....now we're gonna leave at 4am based on your Intel. Thank you!!!!

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19 minutes ago, CAPE said:

Latest forecast here has a low of 10 tomorrow night and a high of 22 on Sat. Legit cold for late Dec. A midday flizzard would be cool, and the latest guidance is still suggesting the possibility.

I tell ya, we get a solid 20 - 40 min of snow as things chill, definitely could see a cluster on the roads. Can't salt anything because of the rain.

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Just now, Eskimo Joe said:

I tell ya, we get a solid 20 - 40 min of snow as things chill, definitely could see a cluster on the roads. Can't salt anything because of the rain.

Last legit flash freeze I experienced was way back in the mid 80s in Carroll County with the thundersnow along the strong cold front. Instant whiteout and rapid temp drop. Incredible.

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1 hour ago, gymengineer said:

Do you have a link to a source that lists what the warning hierarchy is to determine which color we see on the NWS map when multiple warnings/advisories are in place? Like, flash flood and tornado warnings will always be primary, but between a winter weather advisory and a wind chill advisory, for example, which one takes precedence on the map? Thanks in advance! 

I have wondered this for a long time. Anyone know?

1 hour ago, WVclimo said:

LWX has the front moving through before daybreak there. By 8:00 a.m. winds are already gusting to almost 60 mph. Here’s the P&C forecast for Bittinger:

Huge fan of the hourly forecast graph

 

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4 minutes ago, Kay said:

I have wondered this for a long time. Anyone know?

Huge fan of the hourly forecast graph

 

1 hour ago, gymengineer said:

Do you have a link to a source that lists what the warning hierarchy is to determine which color we see on the NWS map when multiple warnings/advisories are in place? Like, flash flood and tornado warnings will always be primary, but between a winter weather advisory and a wind chill advisory, for example, which one takes precedence on the map? Thanks in advance! 

The most recently issued product is what is visible "on top". It's like layers on a sandwich. When the "top" product expires, then whatever is "underneath" becomes visible. For example: If NWS issues a Flood Watch at 10:00 am, then a Wind Advisory at 11:00 am, then Wind Advisory becomes visible on the WFO home page. This becomes messy during complicated, changeable storms like the one we are experiencing now, and NWS is aware of this. I've been on a few webinars and completed a few surveys about some possible changes to their interface, and what's potentially coming down the line looks good. I don't know anything else about the nitty gritty.

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10 minutes ago, Eskimo Joe said:

 

The most recently issued product is what is visible "on top". It's like layers on a sandwich. When the "top" product expires, then whatever is "underneath" becomes visible. For example: If NWS issues a Flood Watch at 10:00 am, then a Wind Advisory at 11:00 am, then Wind Advisory becomes visible on the WFO home page. This becomes messy during complicated, changeable storms like the one we are experiencing now, and NWS is aware of this. I've been on a few webinars and completed a few surveys about some possible changes to their interface, and what's potentially coming down the line looks good. I don't know anything else about the nitty gritty.

Thanks EJ! It could use some help so that is good to hear.

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1 minute ago, dailylurker said:

Carroll County schools are already closed tomorrow. It's ripping wind out there. Definitely a legit storm system. I love a good storm no matter the the type. 

They had a scheduled half day, correct?

On topic, the always consistent and correct hrrr still has a decent slug of moisture accompanying the front in the morning.

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7 minutes ago, CAPE said:

Power outages just ahead of Arctic cold would not be good.

I am gonna have the wood stove heating the whole place all weekend. Heat pump should never kick on if I keep it going.

My wood stove is going full blast right now . Unfortunately so is my heat pump.  Just can't win.  

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2 minutes ago, IronTy said:

My wood stove is going full blast right now . Unfortunately so is my heat pump.  Just can't win.  

The size/layout/openness of my house plus location of ceiling fans and thermostat make it all work. Nice convection. Spare bedroom and workout room can get a little cold but not a problem in most cases.

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19 minutes ago, Eskimo Joe said:

Meso models are absolutely insistently on a core of 925/850 winds hitting Baltimore region around 12z to 15z. Even BUFKIT has some 70 - 90kt winds just off the deck tomorrow morning.

You’re saying blizzard. Got it.

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